var pageBook = {
    degree:4,
    bookList:[
        {id:0,fan:0,imgUrl:''},
        {id:1,fan:0,imgUrl:''},
        {id:2,fan:0,imgUrl:''},
        {id:3,fan:0,imgUrl:''},
        {id:4,fan:0,imgUrl:''},
        {id:5,fan:0,imgUrl:'1'}
    ]
}
console.log(pageBook);